Mariners Acquire Luis Castillo - MLB Trade Rumors
The 14 Likeliest Trade Candidates After The Lockout - MLB Trade Rumors
Why the Mariners traded for Luis Castillo and what it means for teams pursuing Juan Soto
Mariners' Luis Castillo lined up to face Yankees again next week
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Seattle Mariners, RHP Luis Castillo agree to 5-year contract - NBC Sports
MLB Trade Rumors: Luis Castillo, Frankie Montas 'Almost Certainly' Will Be Dealt, News, Scores, Highlights, Stats, and Rumors
Mariners acquire Reds All-Star pitcher Luis Castillo in trade - Los Angeles Times
Luis Castillo traded to Mariners by Reds for 4 prospects - The San Diego Union-Tribune
Mariners' Luis Castillo keeps reminding Yankees of trade deadline blunder
Luis Castillo goes from trade deadline target to Yankees foe
The Seattle Mariners trade for Luis Castillo, make bid for postseason - Lookout Landing
Mariners trade for Reds pitcher Luis Castillo ahead of deadline